Answer:

Step-by-step explanation:
The system of linear equations in two variables is ,
We can easily solve out this Question using substitution method . For that , substituting x = 9y from equation (i) to equation (ii) , we have ,
Substituting this value in (i) ,
Answer:
7
Step-by-step explanation:
Answer:
Then your answer is correct! 12x11 is 132.
Step-by-step explanation:
Answer:
Step-by-step explanation:
The two rules are :-
15 - 10(n - 1)
25 - 10n